Subtask 23-73-51-020-067-A
C. Removal of the loudspeaker
(1) Remove the lavatory loudspeaker
(Ref. Fig. 405/TASK 23-73-51-991-005)
(a)
Open the service cabinet door (1).
(b)
Remove the service box (9).
(c)
Remove the screws (8) and the service cabinet door (1).
(d)
Remove the screws (2) and the washers (3).
(e)
Pull and lower the service cabinet (4). NOTE : If necessary disconnect the flexible hose from the air
____
outlet.
(f)
Disconnect the electrical connectors (5).
(g)
Remove the loudspeaker (6) from the pins (7).
R 1EFF : 004-049, 053-099, 101-149, 151-199, 1 23-73-51Page 412 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1
Loudspeaker Lavatory
Figure 405/TASK 23-73-51-991-005
R 1EFF : 004-049, 053-099, 101-149, 151-199, 1 23-73-51Page 413 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C ALL
TASK 23-73-51-400-002 Installation of the Loudspeaker WARNING : YOU MUST BE CAREFUL WHEN YOU OPEN THE PANELS 2000VU OR 2001VU AS
_______
THESE ARE IN A HIGH VOLTAGE AREA.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
98A25207503000 1 PULLEY ASSEMBLY - SEALING CORD
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-73-00-710-036 Operational Test of the Loudspeaker via MCDU 23-73-00-861-001 Energize the Cabin Intercommunication Data System (CIDS) 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
23-73-51-991-001 Fig. 401 R **ON A/C 106-149, 301-399, 401-499,
23-73-51-991-001-A Fig. 401A
1EFF : ALL 1 23-73-51Page 414 1 1 Aug 01/05 1 1 1CES 1
-------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C ALL
23-73-51-991-002 Fig. 402
**ON A/C 001-003, 051-052,
23-73-51-991-003 Fig. 403
23-73-51-991-004 Fig. 404
R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
23-73-51-991-005 Fig. 405
**ON A/C ALL
3. Job Set-up
__________
Subtask 23-73-51-860-050
A. Aircraft Maintenance Configuration
(1)
Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(2)
For loudspeaker in the PSIU:
-make sure that the applicable PSIU is open.
(3)
For loudspeaker of the circuit panel 2001VU:
-make sure that the circuit breaker panel 2001VU hangs on the detent hook.
(4)
For loudspeaker in the lavatories:
-make sure that the service cabinet door is open and where applicable the service cabinet is removed.
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B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
49VU COM/CIDS/DEU A ESS/LINE 2 155RH G05
49VU COM/CIDS/DEU A ESS/LINE 1 154RH G04
R **ON A/C 106-149, 301-399, 401-499,
49VU COM/CIDS/DEU A ESS/AFT R 172RH HA12 49VU COM/CIDS/DEU A ESS/AFT L 179RH HA11 49VU COM/CIDS/DEU A ESS/FWD R 158RH HA10 49VU COM/CIDS/DEU A ESS/FWD L 159RH HA09
**ON A/C 301-399,
49VU COM / CIDS / DEU A ESS / MID R 196RH G05
49VU COM / CIDS / DEU A ESS / MID L 195RH G04
**ON A/C 001-049, 051-099, 101-105, 201-299,
121VU COM NAV/CIDS/DEU A NORM/R AFT 168RH M13 121VU COM NAV/CIDS/DEU A NORM/L AFT 167RH M12 121VU COM NAV/CIDS/DEU A NORM/R MID 166RH M11 121VU COM NAV/CIDS/DEU A NORM/L MID 165RH M10 121VU COM NAV/CIDS/DEU A NORM/R FWD 164RH M09 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M08
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